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WO2022141391A1 - Réseau à commande de phase et dispositif électronique - Google Patents

Réseau à commande de phase et dispositif électronique Download PDF

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Publication number
WO2022141391A1
WO2022141391A1 PCT/CN2020/142084 CN2020142084W WO2022141391A1 WO 2022141391 A1 WO2022141391 A1 WO 2022141391A1 CN 2020142084 W CN2020142084 W CN 2020142084W WO 2022141391 A1 WO2022141391 A1 WO 2022141391A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
local oscillator
mixer
phased array
coupled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/142084
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English (en)
Chinese (zh)
Inventor
崔科技
李迪
高鹏
余永长
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2020/142084 priority Critical patent/WO2022141391A1/fr
Priority to CN202180088049.5A priority patent/CN116746075A/zh
Priority to EP21913863.3A priority patent/EP4262094A4/fr
Priority to PCT/CN2021/137460 priority patent/WO2022143122A1/fr
Publication of WO2022141391A1 publication Critical patent/WO2022141391A1/fr
Priority to US18/345,373 priority patent/US20230344125A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0483—Transmitters with multiple parallel paths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/00006—Changing the frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K2005/00286—Phase shifter, i.e. the delay between the output and input pulse is dependent on the frequency, and such that a phase difference is obtained independent of the frequency

Definitions

  • the embodiments of the present application relate to the field of wireless communications, and in particular, to a phased array and an electronic device.
  • the local oscillator signal is usually used in the RF front-end to perform up-conversion processing on the intermediate frequency signal to generate the RF signal.
  • the local oscillator signal is used to perform up-conversion processing on the intermediate frequency signal, the problem of local oscillator leakage will be brought, thereby affecting the quality of the communication signal.
  • the embodiments of the present application provide a phased array, which can improve the quality of communication signals.
  • an embodiment of the present application provides a phased array, including: a local oscillator signal adjustment path, an adder, a first power divider, and a plurality of radio frequency signal transmission channels; an output end of the local oscillator signal adjustment path is connected to A first input end of the adder is coupled for inputting a first signal to the adder; a second input end of the adder is coupled with a transmit path for receiving a second signal from the transmit path, so The adder superimposes the first signal and the second signal to generate a signal to be transmitted; the input end of the first power divider is coupled to the output end of the adder, and the output end of the first power divider is coupled to the output end of the adder.
  • the output end is coupled to the input end of the plurality of radio frequency signal transmission channels, and the first power divider is used to divide the to-be-transmitted signal into multiple transmission signals; the output end of the plurality of radio frequency signal transmission channels is connected to the multi-channel transmission signal.
  • the multiple antennas are coupled, and the multiple radio frequency signal transmission channels are used to process the multiple transmission signals, and transmit the multiple transmission signals through the multiple antennas.
  • the phased array described in the embodiment of the present application can improve the quality of the communication signal by introducing the local oscillator signal adjustment path and introducing the local oscillator adjustment signal into the transmit signal by means of the adder.
  • each radio frequency signal transmission channel in the multiple radio frequency signal transmission channels described in the embodiments of the present application includes a power amplifier for performing power amplification on the multi-channel transmission signals.
  • each radio frequency signal transmission channel in the plurality of radio frequency signal transmission channels may further include a filter, and the filter is used for filtering the multi-channel transmission signals.
  • the input end of the local oscillator signal adjustment path is coupled to the first local oscillation signal source; the local oscillation signal adjustment path is further used for: receiving the first local oscillation signal from the local oscillation signal source The first local oscillator signal is adjusted to generate the first signal.
  • the local oscillator signal adjustment path does not need to set other signal sources, thereby reducing the circuit layout area; in addition, the first local oscillator signal can be generated by simply adjusting The first signal can reduce the complexity of generating the first signal.
  • the local oscillator signal adjustment path includes a variable gain amplifier; wherein the variable gain amplifier is used to adjust the amplitude of the first local oscillator signal.
  • the local oscillator signal adjustment path when the local oscillator signal adjustment path includes a variable gain amplifier, the local oscillator signal adjustment path may further include a frequency multiplier; the frequency multiplier is used to The frequency of the local oscillator signal is adjusted.
  • the local oscillator signal adjustment path further includes a first phase shifter; the first phase shifter is used to adjust the phase of the first local oscillator signal.
  • the first signal output by the local oscillator signal adjustment path can be The vibration leakage signal is cancelled out to achieve the effect of suppressing the leakage of the local oscillator.
  • the first signal and the local oscillator leakage signal may have the same frequency, the same amplitude, and the opposite phase. It should be noted that the opposite phase here may refer to a phase difference of 180 degrees.
  • the transmit path includes a first mixer and an intermediate frequency signal processor; the output end of the intermediate frequency signal processor is coupled to the first input end of the first mixer; the The second input end of the first mixer is coupled to the first local oscillator signal source, the output end of the first mixer is coupled to the second input end of the adder, and the first mixer an adder for inputting the second signal to the adder.
  • the intermediate frequency signal processor may generate an intermediate frequency signal
  • the first mixer may receive the intermediate frequency signal from the intermediate frequency signal processor
  • the first mixer may mix the received intermediate frequency signal and the first local oscillator signal.
  • the above-mentioned second signal is generated and supplied to the adder.
  • the intermediate frequency signal mentioned here refers to the signal before being input to the mixer, which may be a zero intermediate frequency signal or a low intermediate frequency signal.
  • the transmit path includes a first mixer, a second mixer, and an intermediate frequency signal processor, and the phased array further includes a second local oscillator signal source; the intermediate frequency signal processing The output end of the mixer is coupled to the first input end of the second mixer, the second input end of the second mixer is coupled to the second local oscillator signal source, and the second input end of the second mixer The output end is coupled to the first input end of the first mixer, the second input end of the first mixer is coupled to the first local oscillator signal source, and the output end of the first mixer is coupled to the second input terminal of the adder, and the first mixer is used for inputting the second signal to the adder.
  • the intermediate frequency signal processor can generate the first intermediate frequency signal
  • the second mixer can receive the first intermediate frequency signal from the intermediate frequency signal processor, receive the second local oscillator signal from the second local oscillator signal source, and After mixing an intermediate frequency signal and a second local oscillator signal, a second intermediate frequency signal is generated and provided to the first mixer. After the first mixer mixes the second intermediate frequency signal and the first local oscillator signal, the generated second signal is provided to the adder.
  • the transmit path includes an intermediate frequency signal processor; the second input end of the adder is coupled to the output end of the intermediate frequency signal processor, and is used for receiving from the intermediate frequency signal processor the second signal.
  • the second signal is an intermediate frequency signal.
  • the possible implementation manners specifically include the following manners:
  • the phased array further includes a first mixer, the output end of the adder is coupled to the input end of the first mixer; the output end of the first mixer is connected to the first mixer The input of a power divider is coupled.
  • each of the multiple radio frequency signal transmission channels further includes a first mixer, and the phased array further includes a second power divider; The input end is coupled to the output end of the first power divider; the second input end of the first mixer is coupled to the output end of the second power divider; the second power divider is used for The local oscillator signal is power divided to generate multi-channel local oscillator signals; the first mixer is used for mixing one of the local oscillator signals of the multi-channel local oscillator signals and one of the multi-channel transmission signals.
  • each of the multiple radio frequency signal transmission channels further includes: a second phase shifter, configured to phase shift one of the multiple transmission signals .
  • each radio frequency signal transmission channel further includes a first mixer
  • the local oscillator signal adjustment path may include a first phase shifter, or may not include a first phase shifter.
  • the second phase shifter in each radio frequency signal transmission channel can be adjusted at the same time, so that the second phase shifter in each radio frequency signal transmission channel is first uniformly phase-shifted to a fixed phase.
  • the fixed phase is determined based on the phase difference between the local oscillator signal and the first signal. On this basis, continue to adjust the second phase shifter in each radio frequency signal transmission channel, so that the phased array transmits the beamforming signal.
  • an embodiment of the present application provides a transceiver, which includes a local oscillator signal adjustment path, an adder, and a radio frequency signal transmission channel;
  • the input end is coupled for inputting the first signal to the adder;
  • the second input end of the adder is coupled with the transmit path for receiving the second signal, and the adder combines the first signal with the The second signal is superimposed to generate a signal to be transmitted;
  • the input end of the radio frequency signal transmission channel is coupled to the output end of the adder, the output end of the radio frequency signal transmission channel is coupled to the antenna, and the radio frequency signal transmission channel is used for
  • the multi-channel transmission signal is processed, and the to-be-transmitted signal is transmitted through the antenna.
  • the quality of the communication signal can be improved by setting the local oscillator signal adjustment channel.
  • the radio frequency signal transmission channel described in the embodiments of the present application may include a power amplifier, which is used to amplify the power of the signal to be transmitted. Further, the radio frequency signal transmission channel may further include a filter, and the filter is used to filter the multi-channel transmission signals.
  • the input end of the local oscillator signal adjustment path is coupled to the first local oscillation signal source; the local oscillation signal adjustment path is further used for: receiving the first local oscillation signal from the local oscillation signal source The first local oscillator signal is adjusted to generate the first signal.
  • the local oscillator signal adjustment path does not need to set other signal sources, thereby reducing the circuit layout area; in addition, due to the frequency between the first signal and the first local oscillator signal , the amplitudes are the same, and the phases are opposite, the first signal can be generated by simply adjusting the first local oscillator signal, which can reduce the complexity of generating the first signal.
  • the local oscillator signal adjustment path includes a variable gain amplifier; wherein the variable gain amplifier is used to adjust the amplitude of the first local oscillator signal.
  • the local oscillator signal adjustment path when the local oscillator signal adjustment path includes a variable gain amplifier, the local oscillator signal adjustment path may further include a frequency multiplier; the frequency multiplier is used to The frequency of the local oscillator signal is adjusted.
  • the local oscillator signal adjustment path further includes a first phase shifter; the first phase shifter is used to adjust the phase of the first local oscillator signal.
  • the first signal output by the local oscillator signal adjustment path can be The vibration leakage signal is cancelled out to achieve the effect of suppressing the leakage of the local oscillator.
  • the first signal and the local oscillator leakage signal may have the same frequency, the same amplitude, and the opposite phase. It should be noted that the opposite phase here may refer to a phase difference of 180 degrees.
  • the transmit path includes a first mixer and an intermediate frequency signal processor; the output end of the intermediate frequency signal processor is coupled to the first input end of the first mixer; the The second input end of the first mixer is coupled to the first local oscillator signal source, the output end of the first mixer is coupled to the second input end of the adder, and the first mixer an adder for inputting the second signal to the adder.
  • the intermediate frequency signal processor may generate an intermediate frequency signal
  • the first mixer may receive the intermediate frequency signal from the intermediate frequency signal processor
  • the first mixer may mix the received intermediate frequency signal and the first local oscillator signal.
  • the above-mentioned second signal is generated and supplied to the adder.
  • the transmit path includes a first mixer, a second mixer, and an intermediate frequency signal processor, and the phased array further includes a second local oscillator signal source; the intermediate frequency signal processing The output end of the mixer is coupled to the first input end of the second mixer, the second input end of the second mixer is coupled to the second local oscillator signal source, and the second input end of the second mixer The output end is coupled to the first input end of the first mixer, the second input end of the first mixer is coupled to the first local oscillator signal source, and the output end of the first mixer is coupled to the second input terminal of the adder, and the first mixer is used for inputting the second signal to the adder.
  • the intermediate frequency signal processor can generate the first intermediate frequency signal
  • the second mixer can receive the first intermediate frequency signal from the intermediate frequency signal processor, receive the second local oscillator signal from the second local oscillator signal source, and After mixing an intermediate frequency signal and a second local oscillator signal, a second intermediate frequency signal is generated and provided to the first mixer. After the first mixer mixes the second intermediate frequency signal and the first local oscillator signal, the generated second signal is provided to the adder.
  • the transmit path includes an intermediate frequency signal processor, and the phased array further includes a first mixer; the second input end of the adder is connected to the output of the intermediate frequency signal processor. The output end of the adder is coupled with the input end of the first mixer; it is used for receiving the second signal from the intermediate frequency signal processor. At this time, the second signal is an intermediate frequency signal.
  • the radio frequency signal transmission channel further includes: a second phase shifter, configured to phase shift one of the multiple transmission signals.
  • an embodiment of the present application provides an electronic device, the electronic device includes a circuit board, the transceiver and the processor in the above possible implementation manners are disposed on the circuit board, and the transceiver includes the above possible implementation manners. Phased array in implementation.
  • FIG. 1 is a schematic structural diagram of a wireless communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a phased array provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of the working principle of a phased array provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a phased array provided by an embodiment of the present application.
  • Fig. 5 is a specific structural schematic diagram of the phased array shown in Fig. 4 provided by an embodiment of the present application;
  • FIG. 6 is another schematic structural diagram of a phased array provided by an embodiment of the present application.
  • FIG. 7a is a schematic structural diagram of a local oscillator signal adjustment path provided by an embodiment of the present application.
  • 7b is another schematic structural diagram of a local oscillator signal adjustment path provided by an embodiment of the present application.
  • FIG. 8 is another schematic structural diagram of a phased array provided by an embodiment of the present application.
  • FIG. 9 is a schematic partial structure diagram of the phased array shown in FIG. 8 provided by an embodiment of the present application.
  • FIG. 10 is another schematic structural diagram of a phased array provided by an embodiment of the present application.
  • FIG. 11a is a schematic diagram of a specific structure of the phased array shown in FIG. 10 provided by an embodiment of the present application;
  • FIG. 11b is another specific structural schematic diagram of the phased array shown in FIG. 10 provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of a terminal device provided by an embodiment of the present application.
  • references herein to "first,” “second,” and similar terms do not denote any order, quantity, or importance, but are merely used to distinguish the various components. Likewise, words such as “a” or “an” do not denote a quantitative limitation, but rather denote the presence of at least one. Words like “connected” or “coupled” are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect, equivalent to coupling or communicating in a broad sense.
  • words such as “exemplary” or “for example” are used to represent examples, illustrations or illustrations. Any embodiments or designs described in the embodiments of the present application as “exemplary” or “such as” should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as “exemplary” or “such as” is intended to present the related concepts in a specific manner.
  • the meaning of "plurality” refers to two or more. For example, multiple radio frequency signal transmission channels refer to two or more radio frequency signal transmission channels.
  • devices can be divided into devices that provide wireless network services and devices that use wireless network services.
  • the devices that provide wireless network services refer to those devices that make up a wireless communication network, which can be referred to as network equipment or network elements for short.
  • Network equipment is usually owned by operators (such as China Mobile and Vodafone) or infrastructure providers (such as tower companies), and these manufacturers are responsible for operation or maintenance.
  • Network devices can be further classified into radio access network (RAN) devices and core network (core network, CN) devices.
  • RAN radio access network
  • core network core network
  • a typical RAN device includes a base station (BS).
  • the base station may also sometimes be referred to as a wireless access point (access point, AP), or a transmission reception point (transmission reception point, TRP).
  • the base station may be a general node B (generation Node B, gNB) in a 5G new radio (new radio, NR) system, or an evolutional Node B (evolutional Node B, eNB) in a 4G long term evolution (long term evolution, LTE) system. ).
  • Base stations can be classified into macro base stations or micro base stations according to their physical form or transmit power. Micro base stations are also sometimes referred to as small base stations or small cells.
  • Devices using wireless network services are usually located at the edge of the network and may be referred to as a terminal for short.
  • the terminal can establish a connection with the network device, and provide the user with specific wireless communication services based on the service of the network device.
  • user equipment user equipment
  • subscriber unit subscriber unit
  • SU subscriber unit
  • terminals tend to move with users and are sometimes referred to as mobile stations (mobile stations, MSs).
  • some network devices such as relay nodes (relay nodes, RNs) or wireless routers, can sometimes be regarded as terminals because they have UE identity or belong to users.
  • the terminal may be a mobile phone, a tablet computer, a laptop computer, a wearable device (such as a smart watch, smart bracelet, smart helmet, smart glasses), and other Devices with wireless access capabilities, such as smart cars, various Internet of things (IOT) devices, including various smart home devices (such as smart meters and smart home appliances) and smart city devices (such as security or monitoring equipment, intelligent road transport facilities), etc.
  • IOT Internet of things
  • smart home devices such as smart meters and smart home appliances
  • smart city devices such as security or monitoring equipment, intelligent road transport facilities
  • the present application will take the base station and the terminal as examples to describe the technical solutions of the embodiments of the present application in detail.
  • FIG. 1 is a schematic structural diagram of a wireless communication system according to an embodiment of the present application. As shown in FIG. 1 , the wireless communication system includes a terminal, a base station A, a base station B, and a base station C.
  • the wireless communication system may comply with the wireless communication standard of the third generation partnership project (3GPP), or may comply with other wireless communication standards, such as the Institute of Electrical and Electronics Engineers (Institute of Electrical and Electronics). Engineers, IEEE) wireless communication standards of the 802 series (eg, 802.11, 802.15, or 802.20).
  • 3GPP Third Generation Partnership Project
  • other wireless communication standards such as the Institute of Electrical and Electronics Engineers (Institute of Electrical and Electronics). Engineers, IEEE) wireless communication standards of the 802 series (eg, 802.11, 802.15, or 802.20).
  • the wireless communication system may also include other numbers of terminals and base stations.
  • the wireless communication system may further include other network devices, such as core network devices.
  • the terminal and the base station should know the predefined configuration of the wireless communication system, including the radio access technology (RAT) supported by the system and the wireless resource configuration specified by the system, such as the basic configuration of the radio frequency band and carrier.
  • a carrier is a frequency range that conforms to system regulations. This frequency range can be determined by the center frequency of the carrier (referred to as the carrier frequency) and the bandwidth of the carrier.
  • the pre-defined configurations of these systems can be used as part of the standard protocols of the wireless communication system, or determined by the interaction between the terminal and the base station.
  • the content of the relevant standard protocol may be pre-stored in the memory of the terminal and the base station, or embodied as hardware circuits or software codes of the terminal and the base station.
  • the terminal and the base station support one or more of the same RATs, such as 5G NR, or RATs of future evolution systems.
  • the terminal and the base station use the same air interface parameters, coding scheme, modulation scheme, etc., and communicate with each other based on radio resources specified by the system.
  • the terminal integrated with the phased array in FIG. 1 can be directed to base station A, base station B, and base station C through different configurations.
  • terminals with phased array function can realize more concentrated energy transmission through the function of phased array, thereby reducing the path loss of signal transmission at high frequencies, especially in the millimeter wave frequency range. .
  • FIG. 2 is a schematic structural diagram of a phased array according to an embodiment of the present application.
  • the phased array shown in FIG. 2 can be applied to the application scenario shown in FIG. 1 .
  • the phased array may include a plurality of radio frequency signal transmission channels, the output end of each radio frequency signal transmission channel is coupled to the antenna TX, and each radio frequency signal transmission channel includes a corresponding phase shifter.
  • the phase shifter in the phased array can shift the phase of the signal corresponding to the radio frequency signal transmission channel, so that the pattern of the specific direction can be obtained.
  • the phased array needs to dynamically cover multiple directions, the phased array can be implemented by phase scanning.
  • phased array Since the phased array system needs a large scanning angle, there are certain requirements for the phase shift accuracy and phase shift range of the phase shifter of each radio frequency signal transmission channel.
  • the phased array can adopt the technology of digital phase shifter.
  • Each branch needs to adjust the phase of each branch by changing the digital control bit within the phase shift range realized by n bits to realize phase scanning.
  • the phased array architecture shown in FIG. 3 includes 8 branches.
  • each branch needs to implement a 3-bit digital phase shifter, that is, 8 branches.
  • the realized phase range is 0-7 ⁇
  • the 8 branches correspond to the phase shift range of digital control bits 000-111.
  • each phase shift unit ⁇ is 45 degrees.
  • the minimum phase shift of each branch is 0 ⁇ , which is 0 degrees
  • the control word of the corresponding phase shifter bit is 000
  • the maximum phase shift is 7 ⁇ , which is 315 degrees
  • the control word of the corresponding phase shifter bit is 111.
  • bits can also be increased.
  • the digital phase shifter may also be a 4-bit digital phase shifter
  • the minimum phase shift accuracy ⁇ of each branch may be 22.5 degrees.
  • FIG. 4 shows a schematic structural diagram of a phased array 100 provided by an embodiment of the present application.
  • the phased array 100 includes a local oscillator signal adjustment path 01 , an adder 02 , a power division unit 03 , a mixer 04 and radio frequency signal transmission channels T1 , T2 , T3 . . . Tn.
  • the output terminal To of the local oscillator signal adjustment path 01 is coupled to the first input terminal Ai1 of the adder 02 .
  • the input end Mi1 of the mixer 04 is coupled to the first local oscillator signal source 05, and the input end Mi2 of the mixer 04 is used for inputting the intermediate frequency signal IF.
  • the output terminal Mo of the mixer 04 is coupled to the second input terminal Ai2 of the adder 02 .
  • a local oscillator buffer (not shown in the figure) may also be provided between the first local oscillator signal source 05 and the mixer 04 to amplify the local oscillator signal.
  • the output terminal Ao of the adder 02 is coupled to the input terminal C1i of the power division unit 03 .
  • the power division unit 03 includes output terminals C1o1, C1o2, C1o3...C1on, and the output terminals C1o1, C1o2, C1o3...C1on of the power division unit 03 are coupled in one-to-one correspondence with the input terminals of the radio frequency signal transmission channels T1, T2, T3...Tn.
  • the output ends of the radio frequency signal transmitting channels T1, T2, T3...Tn are respectively coupled with the transmitting antennas TX in a one-to-one correspondence.
  • Each RF signal transmission channel may also include devices such as power amplifiers, phase shifters or filters.
  • the embodiments of the present application do not limit the number of radio frequency signal transmission channels, and the phased array may include two radio frequency signal transmission channels, or three radio frequency signal transmission channels, or the like.
  • the power division unit 03 may comprise at least one power divider.
  • it may include two power dividers, three power dividers, etc., which are not limited in this embodiment of the present application, and the number of power dividers included in the power division unit 03 is determined according to the needs of the scene and the number of radio frequency signal transmission channels .
  • the power dividing unit 03 includes three power dividers, which are respectively a power divider C1, a power divider C2 and a power divider C3.
  • the input end of the power divider C1 is coupled to the output end of the adder 02, and the power divider One of the output ends of the power divider C1 is coupled to the input end of the power divider C2, and the other output end of the power divider C1 is coupled to the input end of the power divider C3.
  • the two output ends of the power divider C2 and the two output ends of the power divider C3 serve as the output ends Co1 , Co2 , Co3 and Co4 of the power dividing unit 03 .
  • the radio frequency signal transmission channels may include four radio frequency signal transmission channels T1 , T2 , T3 and T4 respectively, as shown in FIG. 5 , which is a schematic structural diagram of the phased array 100 shown in FIG. 4 .
  • each radio frequency signal transmission channel may further include a power amplifier PA and a phase shifter PS1.
  • the intermediate frequency signal IF described in the embodiments of the present application refers to the signal before being input to the mixer 04, which may be a zero intermediate frequency signal or a low intermediate frequency signal.
  • the intermediate frequency signal The center frequency can be on the order of GHz.
  • the local oscillator signal adjustment path 01 can adjust the signal input from the input end Ti to generate a first signal and provide it to the adder 02 .
  • the input terminal Mi1 of the mixer 04 is used for inputting the local oscillator signal LO1 .
  • the adder 02 superimposes the first signal and the second signal to generate a signal to be transmitted.
  • the power divider in the power division unit 03 divides the signal to be transmitted into multiple transmission signals, which are respectively provided to the radio frequency signal transmission channels T1, T2, T3...Tn. After the radio frequency signal transmission channels T1 , T2 , T3 . . . Tn perform processing such as filtering or power amplification on the multi-channel transmission signal, the multi-channel transmission signal is transmitted through multiple antennas TX.
  • the intermediate frequency signal IF input to the input end Mi2 of the mixer 04 may be generated by the intermediate frequency signal processor 08 .
  • the phased array shown in FIG. 4 further includes an intermediate frequency signal processor 08 .
  • the input end Mi1 of the mixer 04 is coupled to the output end of the intermediate frequency signal processor 08 for obtaining the intermediate frequency signal IF from the intermediate frequency signal processor 08 .
  • the intermediate frequency signal processor 08 described in the embodiments of the present application may include, but is not limited to, a filter or an analog-to-digital converter, for example.
  • the phased array 100 shown in FIGS. 4 and 5 includes a mixer 04 .
  • the phased array 100 described in this embodiment of the present application may include multiple mixers. Please refer to FIG. 6, which shows a case where the phased array 100 includes two mixers.
  • the phased array 100 may further include a mixer 06 and a second local oscillator signal source 07 .
  • the input end Mi3 of the mixer 06 is coupled to the second local oscillator signal source 07, the input end Mi4 of the mixer 06 is coupled to the output end of the intermediate frequency signal processor 08, and the output end of the mixer 06 is coupled to the mixer 04 the input of Mi2.
  • the connection relationship of the other components is the same as the connection relationship of the components in the phased array 100 shown in FIG. 4 , and will not be repeated here.
  • the input Mi3 of the mixer 06 receives the local oscillator signal LO2 from the second local oscillator signal source 07, and the input Mi4 of the mixer 06 receives the intermediate frequency signal IN from the intermediate frequency signal processor 08.
  • the above intermediate frequency signal IF is generated and supplied to the mixer 04 . That is to say, in the phased array 100 shown in FIG. 6 , the intermediate frequency signal IF input to the mixer 04 is generated by the intermediate frequency signal IN generated by the intermediate frequency signal processor 08 after being mixed by the mixer 06 . .
  • first local oscillator signal source 05 and the second local oscillator signal source 07 may be two different local oscillator signal generating devices.
  • first local oscillator signal source 05 and the second local oscillator signal source 07 may also be set in the same local oscillator signal generating device.
  • the local oscillator signal generating device may be provided with two signal output ports, one of which is used for In order to output the local oscillator signal LO1, the input end Mi1 of the mixer 04 is coupled with this port at this time; another port of the local oscillator signal generating device is used to output the local oscillator signal LO2, and the first input end of the mixer 06 is at this time. coupled to this port.
  • first local oscillator signal source 05 and the second local oscillator signal source 07 for generating the local oscillator signal LO1 and the local oscillator signal LO2 may be arranged in the phased array 100, or may be arranged in the phased array beyond 100.
  • the phased array 100 may also be provided with two local oscillator signal input ports, one of which is used for the local oscillator signal input port.
  • the local oscillator signal LO1 is input, and another input port is used to input the local oscillator signal LO2, which is not shown in the figure.
  • the phased array described in the embodiments of the present application can filter out the local oscillator leakage signal in the phased array under the condition of reducing the power consumption and layout area of the communication device.
  • the second signal output by the mixer 04 usually includes, in addition to the radio frequency signal, a local oscillator signal leaked from the mixer 04, that is, a local oscillator leakage signal.
  • the leakage signal of the local oscillator usually causes interference to the RF signal, affecting the performance of the transmitted RF signal.
  • the quality of the communication signal can be improved by setting the local oscillator signal adjustment channel.
  • a filter circuit is usually set at the output end of the mixer to filter out the local oscillator leakage signal, or the IQ radio frequency circuit is calibrated by means of an IQ transmitter for DC offset calibration.
  • the phased array and the electronic device including the phased array described in the embodiments of the present application can filter out the local oscillator leakage in the phased array while reducing the power consumption and layout area of the communication device. Signal.
  • the local oscillator signal used for mixing with the intermediate frequency signal IF usually has a specific amplitude and phase, that is, the local oscillator leakage signal has a specific amplitude and phase.
  • the local oscillator signal adjustment path 01 is set so that the first signal output by the local oscillator signal adjustment path 01 cancels out the local oscillator leakage signal, thereby achieving the effect of suppressing the local oscillator leakage.
  • the local oscillator signal adjustment path 01 can achieve the purpose of canceling the first signal and the local oscillator leakage signal by processing the input signal so that the first signal and the local oscillator leakage signal have the same frequency, equal amplitude and opposite phase.
  • the opposite phase in the embodiments of the present application may refer to a phase difference of 180 degrees.
  • the specific structure of the local oscillator signal adjustment path 01 will be described below.
  • the local oscillator signal adjustment path 01 may include a digital signal processor and a digital-to-analog converter, as shown in FIG. 7a.
  • the input end of the digital signal processor is the input end Ti of the local oscillator signal adjustment path 01
  • the output end of the digital signal processor is coupled to the input end of the digital-to-analog converter
  • the output end of the digital-to-analog converter is coupled to the first end of the adder 02.
  • An input terminal Ai1 The digital signal processor and the digital-to-analog converter can generate the first signal with the same frequency, the same amplitude and the opposite phase as the local oscillator leakage signal, so as to realize the suppression of the local oscillator leakage signal.
  • the signal input to the mixer 04 usually also includes various harmonic signals of the local oscillator signal. Therefore, the local oscillator leakage signal usually includes the local oscillator signal and various harmonic signals of the local oscillator signal.
  • the first signal may include signals with the same frequency, equal amplitude and opposite phase as the local oscillator signal, and the first signal may also include signals with the same frequency, equal amplitude and opposite phase as the harmonic signals of the local oscillator signal.
  • the local oscillator signal adjustment path 01 may include a variable gain amplifier 012 and a phase shifter PS2, as shown in FIG. 7b.
  • the local oscillator signal or harmonic signal of a certain frequency in the local oscillator leakage signal has the greatest interference to the radio frequency signal, and the interference of the local oscillator leakage signal of other frequencies to the radio frequency signal can be ignored.
  • the purpose of suppressing the leakage of the local oscillator can be achieved by suppressing the signal with the greatest interference.
  • the interference of the signals of each frequency in the local oscillator leakage signal output by the mixer 04 to the radio frequency signal can be analyzed by spectrum analysis equipment or manually, and based on the analysis result, the local oscillator signal adjustment path 01 is used to generate the first signal, to cancel the most disturbing signal.
  • the second possible implementation manner can simplify the local oscillator signal adjustment path 01 .
  • the local oscillator signal adjustment path 01 may further include a frequency multiplier 011 to adjust the frequency of the signal input from the local oscillation signal adjustment path 01 .
  • the input end Ti of the local oscillation signal adjustment path 01 may be coupled with the first local oscillation signal source 05 to receive the local oscillation signal LO1 from the first local oscillation signal source 05 .
  • the local oscillator signal LO1 goes through the frequency multiplier 011 for frequency adjustment, the variable gain amplifier 012 for amplitude adjustment, and the phase shifter PS2 for phase adjustment, to generate the same frequency, the same amplitude, and the same phase as the local oscillator leakage signal to be cancelled. Opposite the first signal. 7b schematically shows that the input terminal of the frequency multiplier 011 is coupled to the first local oscillator signal source 05, the output terminal of the frequency multiplier 011 is coupled to the input terminal of the variable gain amplifier 012, and the variable gain amplifier 012 The output terminal of the phase shifter PS2 is coupled to the input terminal of the phase shifter PS2, and the output terminal of the phase shifter PS2 is coupled to the first input terminal Ai1 of the adder 02.
  • the embodiments of the present application do not specifically limit the positions of the frequency multiplier 011, the variable gain amplifier 012, and the phase shifter PS2 in the local oscillator signal adjustment path 01, for example, input to the local oscillator signal adjustment path 01
  • the local oscillator signal LO1 can be first adjusted in amplitude through the variable gain amplifier 012, then adjusted in frequency through the frequency multiplier 011, and finally adjusted in phase through the phase shifter PS1 to finally generate the first signal.
  • FIG. 7b schematically shows a situation in which the input end Ti of the local oscillator signal adjustment path 01 is coupled to the first local oscillator signal source 05 and inputs the local oscillator signal LO1.
  • the input end Ti of the local oscillator signal adjustment path 01 can also be used to input a random signal, and the local oscillator signal adjustment path 01 can also adjust the random signal to generate the above-mentioned first signal.
  • the local oscillator signal adjustment path 01 generates the first signal by adjusting the local oscillator signal LO1, so that no other signal sources need to be set, thereby reducing the circuit layout area; in addition, the first signal can be generated by simply adjusting the local oscillator signal LO1 , the complexity of generating the first signal can be reduced.
  • the mixer 04 is arranged on the signal input side of the adder 02 .
  • the mixer 04 may also be disposed on the signal output side of the adder 02 .
  • a schematic structural diagram of the phased array 100 is shown in FIG. 8 .
  • the phased array 100 includes a local oscillator signal adjustment path 01 , an adder 02 , a power division unit 03 , a mixer 04 , an intermediate frequency signal processor 08 and radio frequency signal transmission channels T1 , T2 , T3 . . . Tn.
  • the specific structures, components and functions of the local oscillator signal adjustment path 01, the power division unit 03 and the radio frequency signal transmission channels T1, T2, T3...Tn are the same as those in the phased array 100 shown in Figs. 4-6.
  • the specific structures, included devices, and functions of the related units are the same. For details, refer to the specific descriptions of the related units in the embodiments shown in FIG. 4 to FIG. 6 , which will not be repeated here.
  • the output terminal Mo of the mixer 04 is coupled to the input terminal C1i of the power division unit 03, and the input terminal Mi2 of the mixer 04 is It is coupled to the output terminal Ao of the adder 02 , and the second input terminal Ai2 of the adder 02 is coupled to the intermediate frequency signal processor 08 .
  • the second input end Ai2 of the adder 02 is used for receiving the intermediate frequency signal IF from the intermediate frequency signal processor 08.
  • the generation method of the intermediate frequency signal IF is the same as the generation method of the intermediate frequency signal IF described in the embodiment shown in FIG. 4-FIG. 6 are the same and will not be repeated here.
  • phased array 100 shown in FIG. 8 includes one mixer 04.
  • the phased array 100 may further include multiple mixers, for example, as described in FIG. 8
  • the phased array 100 can also include another mixer, which can be arranged between the intermediate frequency signal processor 08 and the adder 02 , or between the adder 02 and the mixer 04 . It can be understood that, when the phased array shown in FIG. 8 is provided with more mixers, it can also be provided with more local oscillator signal sources. This situation is not shown in the drawings in the embodiments of the present application.
  • the signal output by the mixer 04 includes not only the radio frequency signal, but also the local oscillator leakage signal.
  • the phased array 100 shown in FIG. 8 can suppress the local oscillator leakage of the phased array 100 by setting the local oscillator signal adjustment channel 01 .
  • FIG. 9 is a partial circuit structure of the phased array 100 shown in FIG. 8 .
  • the local oscillator signal adjustment path 01 includes a frequency multiplier 011, a variable gain amplifier 012 and a phase shifter PS2.
  • the local oscillator signal and its harmonic signal LO1 pass through the frequency multiplier 011, the variable gain amplifier 012 and the phase shifter PS2 in the local oscillator signal adjustment path 01 for frequency adjustment, amplitude adjustment and phase adjustment, respectively, and then output the first signal.
  • the first signal and the intermediate frequency signal IF are superimposed by the adder 02 and then input to the mixer 04 . At this time, the first signal and the intermediate frequency signal IF are respectively mixed with the local oscillator signal and its harmonic signal in the mixer.
  • the signals mixed by the mixer include the following: the local oscillator leakage signal (the local oscillator leakage signal here specifically includes: the local oscillator signal LO1 input from the first input end of the mixer 04), the intermediate frequency signal IF and the The radio frequency signal generated after the local oscillator signal LO1 is mixed, and the signal generated after the first signal is mixed with the local oscillator signal LO1 (herein referred to as the third signal). That is, the signal output by the mixer 04 at this time is the local oscillator leakage signal + the radio frequency signal + the third signal.
  • the third signal and the LO leakage signal are adjusted cancel, so that the signal output by the mixer 04 includes only radio frequency signals. For example, making the third signal have the same frequency, the same amplitude, and the opposite phase (or a phase difference of 180 degrees), the local oscillator leakage signal and the third signal can be canceled.
  • the local oscillator signal and its harmonic signal LO1 output by the first local oscillator signal source 05 are cos(2 ⁇ mF*t+ ⁇ ), and m is a positive integer; the local oscillator signal and its harmonic signal LO1 pass through the local oscillator signal adjustment path After the frequency multiplier 011, variable gain amplifier 012 and phase shifter PS2 in 01 are respectively adjusted in frequency, amplitude and phase, the output first signal is cos(2 ⁇ nF*t+ ⁇ ), and n is a positive integer.
  • the local oscillator leakage signal includes: cos(2 ⁇ *mF*t+ ⁇ ). Assume that the signal that interferes the most with the RF signal in the local oscillator leakage signal at this time is cos(2 ⁇ F*t+ ⁇ ) or cos(2 ⁇ *3F*t+ ⁇ ).
  • the signal A in the third signal It is offset with cos(2 ⁇ *F*t+ ⁇ ) in the leakage signal of the local oscillator
  • the signal B in the third signal is offset with cos(2 ⁇ *3F*t+ ⁇ ) in the leakage signal of the local oscillator, thus achieving The purpose of reducing the interference of the local oscillator leakage signal to the radio frequency signal.
  • the mixer 04 is arranged at the signal input of the power division unit 03 side.
  • the mixer 04 may also be disposed on the signal output side of the power division unit 03 .
  • the phased array 100 may include a plurality of mixers 04 , that is, each radio frequency signal transmission channel is provided with a mixer 04 .
  • FIG. 10 shows another schematic structural diagram of the phased array 100 provided by the embodiment of the present application.
  • the phased array 100 includes a local oscillator signal adjustment path 01 , an adder 02 , a power division unit 03 , an intermediate frequency signal processor 08 and radio frequency signal transmission channels T1 , T2 . . . Tn.
  • the phased array 100 further includes a power division unit 09 , and in addition, each of the radio frequency signal transmission channels T1 , T2 . . . Tn includes a mixer 04 .
  • the power division unit 09 includes at least one power divider.
  • the input terminal C2i of the power division unit 09 is coupled to the first local oscillator signal source 05 , and each of the multiple output terminals C2o1 , C2o2 . . .
  • the C2on of the power division unit 09 is connected to each of the multiple mixers 04
  • the first input ends of a mixer 04 are coupled in one-to-one correspondence; the input end C1i of the power division unit 03 is coupled to the output end Ao of the adder 02, and each of the multiple output ends C1o1, C1o2...C1on of the power division unit 03
  • One output is coupled to the second input of each of the plurality of mixers 04 in a one-to-one correspondence.
  • the specific structure of the power division unit 03 is the same as that of the power division unit 03 shown in FIG. 4 , and details are not repeated here.
  • the radio frequency signal transmission channels T1, T2 . . . Tn may include a power amplifier PA and a phase shifter PS1 in addition to the mixer.
  • the output end of the mixer 04 is coupled to the input end of the power amplifier PA, and the output end of the power amplifier PA is coupled to the antenna TX.
  • the phase shifter PS1 may be provided on the signal input side of the mixer 04 or may be provided on the signal output side of the mixer 04 . That is to say, in a possible implementation manner, one of the output ends of the power division unit 09 is coupled to the first input end of the mixer 04 through the phase shifter PS1; in another possible implementation manner, the frequency mixing The output end of the mixer 04 is coupled to the input end of the power amplifier PA through the phase shifter PS1 .
  • FIG. 10 shows the case where the phase shifter PS1 is arranged on the signal input side of the mixer 04 .
  • the input end Ti of the local oscillator signal adjustment path 01 is coupled to the first local oscillator signal source 05 , and the output end To is coupled to the first input end Ai1 of the adder 02 for inputting the first signal to the adder 02 .
  • the second input terminal Ai2 is coupled to the intermediate frequency signal processor 08 for receiving the intermediate frequency signal IF from the intermediate frequency signal processor 08 .
  • the specific generation method of the intermediate frequency signal IF is the same as the generation method of the intermediate frequency signal IF described in FIG. 4 , and details are not described herein again.
  • the local oscillator signal adjustment path 01 may have various structures. In a first possible implementation manner, the local oscillator signal adjustment path 01 may have the structure shown in FIG. 7a.
  • the local oscillator signal adjustment path 01 may also have a structure as shown in FIG. 7b.
  • the local oscillator signal adjustment path 01 may not need to set a phase shifter, and it may only include a variable gain amplifier, or include a frequency multiplier and a variable gain amplifier.
  • the phase difference The adjustment is realized by the phase shifter PS1 in each RF signal transmission channel.
  • the phase shifters PS1 in the radio frequency signal transmission channels T1, T2 . . . Tn can be adjusted simultaneously, so that the phase shifters PS1 in each radio frequency signal transmission channel are first uniformly phase shifted to a fixed phase P1.
  • the fixed phase P1 is determined based on the phase difference between the local oscillator signal and the first signal.
  • the phase shifter PS1 in each radio frequency signal transmission channel can be continuously adjusted based on the principle of the phased array transmitting signals as shown in FIG. 3 , so that the phased array transmits beamforming signals. Thereby, the leakage of the local oscillator signal from the mixer 04 can also be suppressed.
  • FIG. 11a is a schematic diagram of a specific structure of the phased array 100 shown in FIG. 10 . In Fig.
  • FIG. 11a is another specific structural schematic diagram of the phased array 100 shown in FIG. 10 .
  • the local oscillator signal adjustment path 01 includes a frequency multiplier 011 and a variable gain amplifier 012 is schematically shown, and other components are the same as those shown in FIG. 11a, and will not be repeated.
  • the phased array 100 shown in Fig. 10, Fig. 11a and Fig. 11b by setting the local oscillator signal adjustment path 01 on the signal input side of the power division unit 03 and the power division unit 09 Compared with the scheme of suppressing the local oscillator signal in the traditional phased array, it can effectively suppress the leakage signal of the local oscillator while reducing the power consumption and the layout area.
  • the embodiment of the present application also provides an electronic device 300, please refer to FIG. 10, the electronic device
  • the electronic device 300 may include a transceiver 301, a memory 302 and a processor 303, and the transceiver 301 here is provided with the above implementations
  • the phased array 100 described in the example The processor 303 may be provided with the first local oscillator signal source 05 and the second local oscillator signal source 07 as described in the above embodiments to generate the local oscillator signal LO1 and the local oscillator signal LO2.
  • the processor 303 may also be provided with an intermediate frequency signal processor 08 to generate intermediate frequency signals and the like.
  • the electronic device 300 here may specifically be a terminal device such as a smart phone, a computer, and a smart watch.
  • the terminal device may specifically include a processor 3102, a memory 3103, a communication circuit, an antenna, and an input and output device.
  • the processor 3102 is mainly used to process communication protocols and communication data, control the entire smart phone, execute software programs, and process data of the software programs, for example, to support the smart phone 310 to realize various communication functions (such as making calls, send a message or live chat, etc.).
  • the memory 3103 is mainly used for storing software programs and data.
  • the communication circuit is mainly used for the conversion of the baseband signal and the radio frequency signal and the processing of the radio frequency signal, and the communication circuit includes the above-mentioned phased array.
  • Communication circuits are mainly used to send and receive radio frequency signals in the form of electromagnetic waves.
  • Input and output devices such as touch screens, display screens, and keyboards, are mainly used to receive data input by users and output data to users.
  • the processor 3102 can read the software program in the memory 3103, interpret and execute the instructions of the software program, and process the data of the software program.
  • the processor 3102 performs baseband processing on the data to be sent, and outputs a baseband signal to a radio frequency circuit.
  • the radio frequency circuit performs radio frequency processing on the baseband signal and sends the radio frequency signal through an antenna in the form of electromagnetic waves.
  • the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 3102, and the processor 3102 converts the baseband signal into data and sends the data to the data. to be processed.
  • FIG. 12 only shows one memory and one processor. In an actual terminal device, there may be multiple processors and multiple memories.
  • the memory may also be referred to as a storage medium or a storage device or the like. It should be noted that the embodiment of the present application does not limit the type of the memory.

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Abstract

La présente demande concerne un réseau à commande de phase. Le réseau à commande de phase comprend : un trajet de réglage de signal d'oscillation local, un additionneur, un premier diviseur de puissance et une pluralité de canaux de transmission de signal radiofréquence, une extrémité de sortie du trajet de réglage de signal d'oscillation local étant couplée à une première extrémité d'entrée de l'additionneur, et étant utilisée pour entrer un premier signal dans l'additionneur ; une seconde extrémité d'entrée de l'additionneur est couplée aux canaux de transmission et est utilisée pour recevoir un second signal, et l'additionneur superpose le premier signal avec le second signal pour générer un signal à transmettre ; une extrémité d'entrée du premier diviseur de puissance est couplée à une extrémité de sortie de l'additionneur, des extrémités de sortie du premier diviseur de puissance sont couplées à des extrémités d'entrée de la pluralité de canaux de transmission de signal radiofréquence, et le premier diviseur de puissance divise le signal à transmettre en une pluralité de signaux de transmission ; et la pluralité de canaux de transmission de signaux radiofréquence sont utilisés pour traiter la pluralité de signaux de transmission, et la transmission de la pluralité de signaux de transmission au moyen d'une pluralité d'antennes, ce qui permet de filtrer un signal de fuite d'oscillation local dans le réseau à commande de phase tout en réduisant la consommation d'énergie et une zone de disposition d'un dispositif de communication.
PCT/CN2020/142084 2020-12-31 2020-12-31 Réseau à commande de phase et dispositif électronique Ceased WO2022141391A1 (fr)

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CN202180088049.5A CN116746075A (zh) 2020-12-31 2021-12-13 相控阵和电子设备
EP21913863.3A EP4262094A4 (fr) 2020-12-31 2021-12-13 Réseau à commande de phase et dispositif électronique
PCT/CN2021/137460 WO2022143122A1 (fr) 2020-12-31 2021-12-13 Réseau à commande de phase et dispositif électronique
US18/345,373 US20230344125A1 (en) 2020-12-31 2023-06-30 Phased Array and Electronic Device

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Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
US12237858B2 (en) 2021-03-25 2025-02-25 Skyworks Solutions, Inc. Mobile devices with dual conversion of multiple frequency bands using a shared intermediate frequency
US12101108B2 (en) * 2021-03-30 2024-09-24 Skyworks Solutions, Inc. Mobile devices with merged frequency range one and intermediate frequency signal path
CN117691973B (zh) * 2024-02-04 2024-05-14 深圳市恒运昌真空技术股份有限公司 一种射频电源信号同步检测系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411256B1 (en) * 2001-05-16 2002-06-25 Lockheed Martin Corporation Reduction of local oscillator spurious radiation from phased array transmit antennas
WO2006039500A2 (fr) * 2004-09-29 2006-04-13 California Institute Of Technology Emetteur a matrice d'elements multiples en phase avec dephasage par oscillateur local et amplificateur de puissance integre
CN101547177A (zh) * 2009-04-14 2009-09-30 中国科学技术大学 平衡结构的超宽带二相相移键控窄脉冲发射机及方法
CN111464192A (zh) * 2020-04-08 2020-07-28 中国电子科技集团公司第五十四研究所 一种用于自组网通信的数字模拟混合圆柱形相控阵天线

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101453226B (zh) * 2007-11-30 2013-07-10 松下电器产业株式会社 本振泄漏消除装置及方法
CN101527577B (zh) * 2008-03-05 2013-07-17 北京六合万通微电子技术股份有限公司 一种无线发射机及无线发射机中本振泄露消除的方法
CN107024691B (zh) * 2016-01-30 2023-09-12 南京理工大学 基于色散延迟线的相控阵系统
US10419046B2 (en) * 2016-05-26 2019-09-17 Mediatek Singapore Pte. Ltd Quadrature transmitter, wireless communication unit, and method for spur suppression
WO2018024333A1 (fr) * 2016-08-04 2018-02-08 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et émetteur pour transmettre une formation de faisceaux dans un système de communication sans fil
CN106941365B (zh) * 2017-04-12 2020-01-07 电子科技大学 一种多标准全双工直接变频式收发机
KR102471074B1 (ko) * 2018-01-30 2022-11-25 삼성전자주식회사 Rf 신호 전송 장치 및 그의 제어 방법
US11411309B2 (en) * 2018-04-02 2022-08-09 Maxlinear, Inc. Local oscillator spur suppression in a phased array system
US11258185B2 (en) * 2018-04-02 2022-02-22 Maxlinear, Inc. Distortion redirection in a phased array
US10693687B1 (en) * 2019-03-28 2020-06-23 Intel Corporation Intermediate frequency on chip (IFoC) system
CN110649930B (zh) * 2019-10-09 2021-06-22 河南理工大学 大规模天线中本振泄露的抑制方法及系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411256B1 (en) * 2001-05-16 2002-06-25 Lockheed Martin Corporation Reduction of local oscillator spurious radiation from phased array transmit antennas
WO2006039500A2 (fr) * 2004-09-29 2006-04-13 California Institute Of Technology Emetteur a matrice d'elements multiples en phase avec dephasage par oscillateur local et amplificateur de puissance integre
CN101547177A (zh) * 2009-04-14 2009-09-30 中国科学技术大学 平衡结构的超宽带二相相移键控窄脉冲发射机及方法
CN111464192A (zh) * 2020-04-08 2020-07-28 中国电子科技集团公司第五十四研究所 一种用于自组网通信的数字模拟混合圆柱形相控阵天线

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